Tjørve, K.M.C. and Tjørve, E. 2010. Food of Eurasian Oystercatcher (Haematopus ostralegus) chicks raised on rocky shores in Southern Norway. Ornis Norvegica. 33, (Jan. 2010), 56–62. DOI:https://doi.org/10.15845/on.v33i0.146.